Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Taurine is an amino sulfonic acid found naturally in the brain, and there is a growing body of preclinical research investigating its effects on memory and brain function. Animal studies have shown that taurine supplementation may improve cognitive performance, protect against neurotoxicity, and reduce oxidative stress in models of neurodegenerative diseases such as Alzheimer's. These effects are thought to be due to taurine’s actions as an antioxidant, its ability to modulate neurotransmission (especially GABAergic and glutamatergic systems), and its neuroprotective properties. However, evidence from human studies remains limited. A few small clinical trials and observational studies have suggested that taurine levels may be associated with cognitive function in older adults, and taurine supplementation might have modest benefits in improving some aspects of memory or attention. Still, these human data are preliminary, often involve mixed supplement formulations, and are not sufficient to draw definitive conclusions. Overall, while there is scientific interest and some supporting evidence from animal research, the clinical evidence base for using taurine specifically to support or treat memory and brain function in humans is weak. More rigorous, large-scale human trials are necessary to establish efficacy and safety in this context.

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